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METHOD AND SYSTEM TO IMPLEMENT NON-LINEAR FILTERING AND CROSSOVER DETECTION FOR PILOT CARRIER SIGNAL PHASE TRACKING
METHOD AND SYSTEM TO IMPLEMENT NON-LINEAR FILTERING AND CROSSOVER DETECTION FOR PILOT CARRIER SIGNAL PHASE TRACKING
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机译:用于飞行员载波信号相位跟踪的非线性滤波和交叉检测的方法和系统
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摘要
Systems and methods (figs. 7 and 8) for correcting phase ambiguity in a total pilot phase value are presented. Examples (figs. 7 and 8) include comparing and correcting (730) total phase values having different pilot frequencies within the same sampling interval, such as the same data symbol. Another example includes correcting a total pilot phase value for one sampling interval and corresponding to one pilot frequency using nonlinear filtering (836) of values of the total pilot phase for prior sampling intervals at the same pilot frequency.
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